EP3102458B1 - Fixing device for a conductor rail and conductor rail system - Google Patents

Fixing device for a conductor rail and conductor rail system Download PDF

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Publication number
EP3102458B1
EP3102458B1 EP15703561.9A EP15703561A EP3102458B1 EP 3102458 B1 EP3102458 B1 EP 3102458B1 EP 15703561 A EP15703561 A EP 15703561A EP 3102458 B1 EP3102458 B1 EP 3102458B1
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EP
European Patent Office
Prior art keywords
insulator
fastening device
component
base body
fastening
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EP15703561.9A
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German (de)
French (fr)
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EP3102458A1 (en
Inventor
Andreas John
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Rail Power Systems GmbH
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Rail Power Systems GmbH
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Publication date
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Priority to PL15703561T priority Critical patent/PL3102458T3/en
Publication of EP3102458A1 publication Critical patent/EP3102458A1/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60M—POWER SUPPLY LINES, AND DEVICES ALONG RAILS, FOR ELECTRICALLY- PROPELLED VEHICLES
    • B60M1/00—Power supply lines for contact with collector on vehicle
    • B60M1/12—Trolley lines; Accessories therefor
    • B60M1/16—Suspension insulators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60M—POWER SUPPLY LINES, AND DEVICES ALONG RAILS, FOR ELECTRICALLY- PROPELLED VEHICLES
    • B60M1/00—Power supply lines for contact with collector on vehicle
    • B60M1/12—Trolley lines; Accessories therefor
    • B60M1/20—Arrangements for supporting or suspending trolley wires, e.g. from buildings
    • B60M1/24—Clamps; Splicers; Anchor tips
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60M—POWER SUPPLY LINES, AND DEVICES ALONG RAILS, FOR ELECTRICALLY- PROPELLED VEHICLES
    • B60M1/00—Power supply lines for contact with collector on vehicle
    • B60M1/30—Power rails
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60M—POWER SUPPLY LINES, AND DEVICES ALONG RAILS, FOR ELECTRICALLY- PROPELLED VEHICLES
    • B60M1/00—Power supply lines for contact with collector on vehicle
    • B60M1/30—Power rails
    • B60M1/307—Supports

Definitions

  • the invention relates to a fastening device for a busbar and a catenary system with fastening devices with which the busbar is attached.
  • busbars For powering electrically operated tracks are known overhead catenaries busbars that are part of the catenary system.
  • the EP 2 255 991 A2 describes a busbar with a cross member, emanating from the two clamping arms, are formed on the clamping arms for receiving a contact wire.
  • the clamping arms and clamping arms enclose a space that receives connectors for connecting the busbar segments.
  • a catenary system with busbar segments which have an upper mounting in the mounting position, which is provided with a longitudinally extending recess, which allow attachment of the busbar segments to cantilevers of the catenary system by means of connecting elements in the recess.
  • the connecting elements are preferably hook-head screws.
  • the known busbars allow not only the attachment to the cantilever of the catenary system with hook-head screws, but also with fastening devices which have a support embracing the upper rail of the busbar.
  • a preferred embodiment of this holder provides for fixing the busbar support spacers made of plastic.
  • the DE 199 13 351 C1 describes a fastening device for a busbar with a fastening piece to be inserted into the fastening device.
  • the fastening device has the attachment piece of Busbar encompassing claws on.
  • the attachment piece is fixed in the jaws with clamping screws.
  • the above-mentioned fastening devices for busbars are characterized in that they consist of a metallic body.
  • the fastening devices may be made of aluminum, for example. They allow easy mounting and dismounting of the busbars and have proven themselves in practice. However, the disadvantage is the relatively high production costs.
  • a fastening device according to the preamble of claim 1 is known, which has a fastening piece of the busbar enclosing insulation body, which consists of fiberglass or plastic.
  • the two-part insulating body can be fixed by means of screws in a fastening piece of the busbar enclosing from both sides position.
  • the busbar is laterally encompassed by jaws of the insulating body.
  • the invention is based on the object to provide a fastening device for a busbar, which can be produced in large quantities at relatively low cost and allows easy mounting and dismounting of the busbar.
  • the fastening device according to the invention is characterized in that it is formed in contrast to the known fastening devices not as a metal part, but a plastic part.
  • a plastic part is also understood to mean a unit which consists of several sections made of plastic.
  • a plastic part is also understood to mean a part which also contains one or more metal parts, for example metallic parts for connecting the parts made of plastic, in particular a metal screw. Alone is crucial that the essential part of the fastening device with the known from the plastics processing method, such as injection molding, can be produced.
  • plastic fastening devices offers advantages. These advantages include not only the significantly lower manufacturing costs, but also the properties that result from plastic as an electrical insulator.
  • the plastic allows a sliding adjustment of the bus bar in the fastening device. Therefore, can be dispensed with the intermediate layer of additional spacers or sliders, which in turn simplifies the production of the fastening device and their handling.
  • the plastic part of the fastening device has an upper portion in the installed position and a lower portion, wherein the upper portion is formed as an insulator and the lower portion forms the holder for the attachment piece of the busbar. Trained as an insulator portion of the plastic part has to extend the creepage distance on one or more umbrellas or ribs. Consequently, the inventive takes over Fastening device not only the function of a busbar terminal of known type, but also the function of an insulator. Since the lower portion of the fastening device according to the invention has the electrical properties of an insulator, the overall height of the entire unit can be reduced.
  • the connecting piece of the busbar laterally encompassing sliding jaws are designed such that the busbar is guided in the attachment piece slidably.
  • the sliding jaws preferably each have an upper and lower leg in the installed position, which are connected to one another via a lateral limb.
  • the lower portion of the plastic part has a central base body, wherein the one sliding block is integral with the base body and the other sliding block is placed on the base body.
  • the rail For mounting the busbar, the rail needs to be inserted only in the fixed sliding jaw and then fixed with the loose sliding jaw.
  • the central base body is on the side facing the attachable sliding block, and the attachable sliding block on the side facing the base body is preferably profiled such that the sliding block and the base body intermesh.
  • the attachable sliding block preferably has a profile piece of the central base body over and under cross profile pieces. But it is also possible that the base body has a profile piece of the attachable sliding jaw over and under cross profile pieces.
  • a screw For attachment of the attachable sliding block on the central base body is preferably a screw, are screwed to the sliding block and base body.
  • a further preferred embodiment of the fastening device according to the invention provides that the formed as an insulator upper portion of the plastic part consists of several insulator parts. This makes it possible to use the fastening device universally.
  • the fastening device allows a simple extension of the insulator depending on the use of the fastening device, for example in local or long-distance traffic, since the insulator can be composed of a plurality of insulator parts, which can preferably be screwed together.
  • each insulator part has a core with a lower and upper portion in the installed position, wherein the upper portion has an external thread and the lower portion has a recess with an internal thread, so that the lower portion of the one insulator portion on the upper portion the other insulator part can be screwed.
  • the upper portion of the insulator portion in the installed position has a larger outer diameter than the lower portion and is provided with a recess having an internal thread, while the lower portion has a smaller outer diameter than the upper portion and provided with an external thread.
  • the insulator has only a relatively short length and has only a single screen.
  • the outer or inner thread of the upper portion in the mounting position can advantageously serve as a kind of fastening means for mounting the fastening device at a support point. Therefore, it is not necessary that further fastening means are provided on the fastening device, resulting in a particularly simple construction.
  • the fastening device 1 will be described in the installed position, in which the fastening device is attached hanging on a support point, not shown.
  • the fastening device 1 may for example be attached to a boom, which in turn is attached to the ceiling of a tunnel.
  • Such fastening systems of a ceiling busbar catenary system are known.
  • Fig. 1 shows an embodiment of the fastening device 1 according to the invention, which differs from the embodiment of the in Fig. 4 shown fastening device 1 only differs by the length of the insulator. Corresponding parts are therefore provided with the same reference numerals.
  • Fig. 4 shows the fastening device 1 together with the busbar. 2
  • the busbar 2 ( Fig. 4 ) consists of several sections 2X, which are connected to each other with connecting elements, not shown, at the end faces.
  • the busbar 2 has a mounting position in the upper mounting piece 3 with laterally projecting lugs 3A, 3B, which is fixed in a holder 18 of the fastening device 1 slidably.
  • To the attachment piece 3 are joined on both sides downwardly extending legs 4A, 4B, which merge at the lower ends inwardly extending clamping arms 5A, 5B, with which the not shown contact wire of the catenary system is clamped.
  • the fastening device 1 is a plastic part, which consists in the present embodiment of glass fiber reinforced plastic (GRP).
  • the plastic part has an upper portion 6 in the installed position and a lower portion 7, which are integrally connected to each other.
  • the upper portion 6 is formed as an insulator 15, while the lower portion 7 forms the holder 18 for sliding fixation of the bus bar 2.
  • the lower portion 7 of the plastic part has a central base body 8 with an upper round portion 9, which merges into a lower plate-shaped portion 10, on the side of a sliding block 11 is formed.
  • the sliding block 11 has an upper leg 11A and a lower leg 11B, which are connected to each other via a lateral leg 11C.
  • the distance between the upper and lower legs 11A, 11B is dimensioned such that the lateral projection 3A, 3B of the attachment piece 3 of the busbar 2 can be fit into the sliding block 11.
  • the metallic busbar is slidably guided in the sliding block made of plastic.
  • the attachable sliding block 12 like the integral with the base body 8 sliding block 11 has an upper, middle and lower legs 12A, 12B, 12C, which engage around the lateral extension 3A, 3B of the busbar.
  • the upper leg 12A of the attachable sliding block 12 has two lateral upper profile pieces 13A, 13B and a middle lower profile piece 13C, which in the Distance to the upper profile pieces 13A, 13B is arranged ( Fig. 2 ).
  • the upper profile pieces 13A, 13B of the sliding block 12 laterally engage a profile piece 8A of the base body 8, while the lower profile piece 13C of the sliding block 12 engages under the profile piece 8A of the base body 8 in the middle.
  • This ensures that the sliding block 12 is firmly seated on the base body 8.
  • the required clamping force is exerted by a screw 14, with the sliding block 12 and base body 8 are firmly screwed against each other.
  • between the sliding blocks 11, 12 and the end faces of the lateral lugs 3A, 3B of the attachment piece 3 of the busbar 2 is still a degree of play, so that the busbar is not clamped, but slidably mounted.
  • the upper portion 6 of the plastic part forming the insulator 15 has an insulator core 16 and an insulator screen 17.
  • the insulator core 16 of the one-piece insulator has an upper portion 16A provided with an external thread 16B.
  • the upper portion 16A with the external thread 16B serves as a fastening means for mounting the fastening device 1 at a support, not shown.
  • the upper portion 16A may be bolted to a fixing member, not shown, having a recess with an internal thread.
  • the length of the insulator can be extended.
  • Fig. 3 shows an insulator part 15 for extending the insulator of the fastening device of Fig. 1
  • the insulator part 15 has an insulator core 16 with an upper portion 16A and a lower portion 16C and a screen 17.
  • the lower portion 16C of the insulator core 16 has a recess 16D with an internal thread 16E, while the upper portion 16A has an external thread 16B.
  • the outer diameter of the upper Section 16A corresponds to the inner diameter of the recess 16D of the lower portion, wherein the outer diameter of the upper portion of the insulator core of the insulator part of Fig. 3 the outer diameter of the upper portion of the insulator core of the insulator of the fastening device of Fig. 1 equivalent.
  • the lower portion of one insulator portion is threaded onto the upper portion of the other insulator portion, with multiple insulator portions being bolted together.
  • Fig. 4 shows an embodiment in which on the second insulator part 15, a third insulator part 15 is screwed.
  • the upper portion of the third insulator part forms the fastening means for mounting the fastening device to the support, not shown.
  • the screens 17 of the individual insulator parts 15 may have different diameters.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Insulators (AREA)
  • Clamps And Clips (AREA)
  • Connections Arranged To Contact A Plurality Of Conductors (AREA)

Description

Die Erfindung betrifft eine Befestigungsvorrichtung für eine Stromschiene und ein Fahrleitungssystem mit Befestigungsvorrichtungen, mit denen die Stromschiene befestigt ist.The invention relates to a fastening device for a busbar and a catenary system with fastening devices with which the busbar is attached.

Zur Stromversorgung elektrisch betriebener Bahnen sind neben Oberleitungen Stromschienen bekannt, die Teil des Fahrleitungssystems sind. Die EP 2 255 991 A2 beschreibt eine Stromschiene mit einem Querträger, von dem zwei Spannarme ausgehen, an die Klemmarme zur Aufnahme eines Fahrdrahtes angeformt sind. Die Spannarme und Klemmarme schließen einen Zwischenraum ein, der Verbindungsstücke zur Verbindung der Stromschienensegmente aufnimmt.For powering electrically operated tracks are known overhead catenaries busbars that are part of the catenary system. The EP 2 255 991 A2 describes a busbar with a cross member, emanating from the two clamping arms, are formed on the clamping arms for receiving a contact wire. The clamping arms and clamping arms enclose a space that receives connectors for connecting the busbar segments.

Aus der DE 10 2012 000 117 B3 ist ein Fahrleitungssystem mit Stromschienensegmenten bekannt, die einen in der Einbaulage oberen Träger aufweisen, der mit einer in Längsrichtung verlaufenden Ausnehmung versehen ist, die eine Befestigung der Stromschienensegmente an Auslegern des Fahrleitungssystems mittels in die Ausnehmung greifenden Verbindungselementen erlauben. Die Verbindungselemente sind vorzugsweise Hakenkopfschrauben. Die bekannten Stromschienen erlauben nicht nur die Befestigung an Auslegern des Fahrleitungssystems mit Hakenkopfschrauben, sondern auch mit Befestigungsvorrichtungen, die eine den oberen Träger der Stromschiene umgreifende Halterung aufweisen. Eine bevorzugte Ausführungsform dieser Halterung sieht zur Fixierung des Stromschienenträgers Distanzelemente aus Kunststoff vor.From the DE 10 2012 000 117 B3 a catenary system with busbar segments is known, which have an upper mounting in the mounting position, which is provided with a longitudinally extending recess, which allow attachment of the busbar segments to cantilevers of the catenary system by means of connecting elements in the recess. The connecting elements are preferably hook-head screws. The known busbars allow not only the attachment to the cantilever of the catenary system with hook-head screws, but also with fastening devices which have a support embracing the upper rail of the busbar. A preferred embodiment of this holder provides for fixing the busbar support spacers made of plastic.

Die DE 199 13 351 C1 beschreibt eine Befestigungsvorrichtung für eine Stromschiene mit einem in die Befestigungsvorrichtung einzusetzenden Befestigungsstück. Die Befestigungsvorrichtung weist das Befestigungsstück der Stromschiene umgreifende Klauen auf. Das Befestigungsstück wird in den Klauen mit Klemmschrauben fixiert.
Die oben genannten Befestigungsvorrichtungen für Stromschienen zeichnen sich dadurch aus, dass sie aus einem metallischen Körper bestehen. Die Befestigungsvorrichtungen können beispielsweise aus Aluminium gefertigt sein. Sie erlauben eine einfache Montage und Demontage der Stromschienen und haben sich in der Praxis bewährt. Nachteilig sind jedoch die relativ hohen Herstellungskosten.The DE 199 13 351 C1 describes a fastening device for a busbar with a fastening piece to be inserted into the fastening device. The fastening device has the attachment piece of Busbar encompassing claws on. The attachment piece is fixed in the jaws with clamping screws.
The above-mentioned fastening devices for busbars are characterized in that they consist of a metallic body. The fastening devices may be made of aluminum, for example. They allow easy mounting and dismounting of the busbars and have proven themselves in practice. However, the disadvantage is the relatively high production costs.

Aus der US 3 461 250 A ist eine Befestigungsvorrichtung nach dem Oberbegriff des Anspruchs 1 bekannt, die einen das Befestigungsstück der Stromschiene umgreifenden Isolationskörper aufweist, der aus Fiberglas oder aus Kunststoff besteht. Der zweiteilige Isolationskörper ist mittels Schrauben in einer das Befestigungsstück der Stromschiene von beiden Seiten umgreifenden Stellung fixierbar. Die Stromschiene wird von Backen des Isolationskörpers seitlich umgriffen.
Der Erfindung liegt die Aufgabe zu Grunde, eine Befestigungsvorrichtung für eine Stromschiene zu schaffen, die sich in großen Stückzahlen mit verhältnismäßig geringen Kosten herstellen lässt und eine einfache Montage und Demontage der Stromschiene erlaubt. Darüber hinaus ist eine Aufgabe der Erfindung, ein Fahrleitungssystem bereitzustellen, dass mit verhältnismäßig geringen Kosten errichtet werden kann und eine einfache Montage und Demontage der Stromschiene ermöglicht.
Die Lösung dieser Aufgaben erfolgt erfindungsgemäß mit den Merkmalen der unabhängigen Patentansprüche. Die abhängigen Ansprüche betreffen bevorzugte Ausführungsformen der Erfindung.From the US 3 461 250 A a fastening device according to the preamble of claim 1 is known, which has a fastening piece of the busbar enclosing insulation body, which consists of fiberglass or plastic. The two-part insulating body can be fixed by means of screws in a fastening piece of the busbar enclosing from both sides position. The busbar is laterally encompassed by jaws of the insulating body.
The invention is based on the object to provide a fastening device for a busbar, which can be produced in large quantities at relatively low cost and allows easy mounting and dismounting of the busbar. Moreover, it is an object of the invention to provide a catenary system that can be constructed at a relatively low cost and allows easy mounting and dismounting of the bus bar.
The solution of these objects is achieved according to the invention with the features of the independent claims. The dependent claims relate to preferred embodiments of the invention.

Die erfindungsgemäße Befestigungsvorrichtung zeichnet sich dadurch aus, dass sie im Gegensatz zu den bekannten Befestigungsvorrichtungen nicht als ein Metallteil, sondern ein Kunststoffteil ausgebildet ist. Dabei wird unter einem Kunststoffteil auch eine Einheit verstanden, die aus mehreren Teilstücken aus Kunststoff besteht. Unter einem Kunststoffteil wird auch ein Teil verstanden, das noch ein oder mehrere Metallteile enthält, beispielsweise metallische Teile zur Verbindung der Teilstücke aus Kunststoff, insbesondere eine Metallschraube. Allein entscheidend ist, dass der wesentliche Bestandteil der Befestigungsvorrichtung mit den aus der Kunststoffverarbeitung bekannten Verfahren, beispielsweise Spritzgießverfahren, hergestellt werden kann.The fastening device according to the invention is characterized in that it is formed in contrast to the known fastening devices not as a metal part, but a plastic part. In this case, a plastic part is also understood to mean a unit which consists of several sections made of plastic. A plastic part is also understood to mean a part which also contains one or more metal parts, for example metallic parts for connecting the parts made of plastic, in particular a metal screw. Alone is crucial that the essential part of the fastening device with the known from the plastics processing method, such as injection molding, can be produced.

Es hat sich gezeigt, dass die Herstellung der Befestigungsvorrichtungen aus Kunststoff Vorteile bietet. Zu diesen Vorteilen zählen nicht nur die erheblich geringeren Fertigungskosten, sondern auch die Eigenschaften, die sich aus Kunststoff als elektrischer Isolator ergeben. Darüber hinaus ermöglicht der Kunststoff eine gleitende Justierung der Stromschiene in der Befestigungsvorrichtung. Daher kann auf die Zwischenlage von zusätzlichen Distanz- oder Gleitstücken verzichtet werden, wodurch sich wiederum die Herstellung der Befestigungsvorrichtung und deren Handhabung vereinfacht.It has been found that the manufacture of plastic fastening devices offers advantages. These advantages include not only the significantly lower manufacturing costs, but also the properties that result from plastic as an electrical insulator. In addition, the plastic allows a sliding adjustment of the bus bar in the fastening device. Therefore, can be dispensed with the intermediate layer of additional spacers or sliders, which in turn simplifies the production of the fastening device and their handling.

Das Kunststoffteil der erfindungsgemäßen Befestigungsvorrichtung weist die Stromschiene seitlich umgreifende Gleitbacken auf, die in einer das Befestigungsstück der Stromschiene von beiden Seiten umgreifenden Stellung fixierbar sind. Die Gleitbacken können unterschiedlich ausgebildet sein. Allein entscheidend ist, dass die Stromschiene mit den Gleitbacken gleitend fixiert ist, d.h. Längenänderungen der Stromschiene infolge von Temperaturänderungen möglich sind.The plastic part of the fastening device according to the invention has the busbar laterally embracing sliding jaws, which are fixable in a position embracing the attachment piece of the busbar from both sides. The sliding blocks can be designed differently. The only decisive factor is that the busbar is slidably fixed with the sliding jaws, i. Length changes of the busbar due to temperature changes are possible.

Das Kunststoffteil der Befestigungsvorrichtung weist ein in der Einbaulage oberes Teilstück und ein unteres Teilstück auf, wobei das obere Teilstück als Isolator ausgebildet ist und das untere Teilstück die Halterung für das Befestigungsstück der Stromschiene bildet. Das als Isolator ausgebildete Teilstück des Kunststoffteils weist zur Verlängerung des Kriechweges einen oder mehrere Schirme oder Rippen auf. Folglich übernimmt die erfindungsgemäße Befestigungsvorrichtung nicht nur die Funktion einer Stromschienenklemme bekannter Bauart, sondern auch die Funktion eines Isolators. Da auch das untere Teilstück der erfindungsgemäßen Befestigungsvorrichtung die elektrischen Eigenschaften eines Isolators hat, kann die Bauhöhe der gesamten Einheit insgesamt verringert werden.The plastic part of the fastening device has an upper portion in the installed position and a lower portion, wherein the upper portion is formed as an insulator and the lower portion forms the holder for the attachment piece of the busbar. Trained as an insulator portion of the plastic part has to extend the creepage distance on one or more umbrellas or ribs. Consequently, the inventive takes over Fastening device not only the function of a busbar terminal of known type, but also the function of an insulator. Since the lower portion of the fastening device according to the invention has the electrical properties of an insulator, the overall height of the entire unit can be reduced.

Die das Verbindungsstück der Stromschiene seitlich umgreifenden Gleitbacken sind derart ausgebildet, dass die Stromschiene in dem Befestigungsstück gleitend geführt ist. Die Gleitbacken weisen jeweils vorzugsweise einen in der Einbaulage oberen und unteren Schenkel auf, die über einen seitlichen Schenkel miteinander verbunden sind.The connecting piece of the busbar laterally encompassing sliding jaws are designed such that the busbar is guided in the attachment piece slidably. The sliding jaws preferably each have an upper and lower leg in the installed position, which are connected to one another via a lateral limb.

Bei einer weiteren bevorzugten Ausführungsform der Befestigungsvorrichtung weist das untere Teilstück des Kunststoffteils einen zentralen Basiskörper auf, wobei die eine Gleitbacke mit dem Basiskörper einstückig ist und die andere Gleitbacke auf den Basiskörper aufsetzbar ist. Zur Montage der Stromschiene braucht die Schiene nur in die feste Gleitbacke eingesetzt und dann mit der losen Gleitbacke fixiert werden. Der zentrale Basiskörper ist an der Seite, die der aufsetzbaren Gleitbacke zugewandt ist, und die aufsetzbare Gleitbacke ist an der Seite, die dem Basiskörper zugewandt ist, vorzugsweise derart profiliert, dass Gleitbacke und Basiskörper ineinandergreifen. Dadurch wird auch eine formschlüssige Verbindung von Gleitbacke und Basiskörper geschaffen, die ein leichtes Öffnen und Schließen der Halterung und eine sichere Fixierung erlaubt.In a further preferred embodiment of the fastening device, the lower portion of the plastic part has a central base body, wherein the one sliding block is integral with the base body and the other sliding block is placed on the base body. For mounting the busbar, the rail needs to be inserted only in the fixed sliding jaw and then fixed with the loose sliding jaw. The central base body is on the side facing the attachable sliding block, and the attachable sliding block on the side facing the base body is preferably profiled such that the sliding block and the base body intermesh. As a result, a positive connection of sliding jaw and base body is created, which allows easy opening and closing of the holder and a secure fixation.

Die aufsetzbare Gleitbacke weist vorzugsweise ein Profilstück des zentralen Basiskörpers über- und untergreifende Profilstücke auf. Es ist aber auch möglich, dass der Basiskörper ein Profilstück der aufsetzbaren Gleitbacke über- und untergreifende Profilstücke aufweist.The attachable sliding block preferably has a profile piece of the central base body over and under cross profile pieces. But it is also possible that the base body has a profile piece of the attachable sliding jaw over and under cross profile pieces.

Zur Befestigung der aufsetzbaren Gleitbacke an dem zentralen Basiskörper dient vorzugsweise eine Schraube, mit der Gleitbacke und Basiskörper verschraubt sind.For attachment of the attachable sliding block on the central base body is preferably a screw, are screwed to the sliding block and base body.

Eine weitere bevorzugte Ausführungsform der erfindungsgemäßen Befestigungsvorrichtung sieht vor, dass das als Isolator ausgebildete obere Teilstück des Kunststoffteils aus mehreren Isolator-Teilen besteht. Dadurch ist es möglich, die Befestigungsvorrichtung universell einzusetzen.A further preferred embodiment of the fastening device according to the invention provides that the formed as an insulator upper portion of the plastic part consists of several insulator parts. This makes it possible to use the fastening device universally.

Die Befestigungsvorrichtung erlaubt eine einfache Verlängerung des Isolators in Abhängigkeit von dem Einsatz der Befestigungsvorrichtung, beispielsweise im Nah- oder Fernverkehr, da der Isolator aus mehreren Isolator-Teilen zusammengesetzt werden kann, die vorzugsweise miteinander verschraubt werden können. Hierzu weist jeder Isolator-Teil einen Kern mit einem in Einbaulage unteren und oberen Abschnitt auf, wobei der obere Abschnitt ein Außengewinde aufweist und der untere Abschnitt eine Ausnehmung mit einem Innengewinde aufweist, so dass der untere Abschnitt des einen Isolator-Teils auf den oberen Abschnitt des anderen Isolator-Teils aufgeschraubt werden kann. Es ist aber auch möglich, dass der in der Einbaulage obere Abschnitt des Isolator-Teils einen größeren Außendurchmesser als der untere Abschnitt hat und mit einer Ausnehmung versehen ist, die ein Innengewinde hat, während der untere Abschnitt einen kleineren Außendurchmesser als der obere Abschnitt hat und mit einem Außengewinde versehen ist.The fastening device allows a simple extension of the insulator depending on the use of the fastening device, for example in local or long-distance traffic, since the insulator can be composed of a plurality of insulator parts, which can preferably be screwed together. For this purpose, each insulator part has a core with a lower and upper portion in the installed position, wherein the upper portion has an external thread and the lower portion has a recess with an internal thread, so that the lower portion of the one insulator portion on the upper portion the other insulator part can be screwed. But it is also possible that the upper portion of the insulator portion in the installed position has a larger outer diameter than the lower portion and is provided with a recess having an internal thread, while the lower portion has a smaller outer diameter than the upper portion and provided with an external thread.

Wenn an die elektrischen Eigenschaften des Isolators, beispielsweise für den Einsatz der Befestigungsvorrichtung im Nahverkehr, nur geringere Anforderungen zu stellen sind, ist es ausreichend, wenn der Isolator nur eine verhältnismäßig geringe Länge hat und nur über einen einzigen Schirm verfügt.If only minor requirements are to be placed on the electrical properties of the insulator, for example for the use of the fastening device in local traffic, it is sufficient if the insulator has only a relatively short length and has only a single screen.

Das Außen- bzw. Innengewinde des in der Einbaulage oberen Abschnitts kann vorteilhafterweise gleichsam als Befestigungsmittel zur Montage der Befestigungsvorrichtung an einem Stützpunkt dienen. Daher ist es nicht erforderlich, dass an der Befestigungsvorrichtung weitere Befestigungsmittel vorgesehen sind, wodurch sich ein besonders einfacher Aufbau ergibt.The outer or inner thread of the upper portion in the mounting position can advantageously serve as a kind of fastening means for mounting the fastening device at a support point. Therefore, it is not necessary that further fastening means are provided on the fastening device, resulting in a particularly simple construction.

Im Folgenden wird ein Ausführungsbeispiel der Erfindung unter Bezugnahme auf die Figuren im Einzelnen beschrieben.Hereinafter, an embodiment of the invention will be described in detail with reference to the drawings.

Es zeigen:

  • Fig. 1 ein Ausführungsbeispiel der erfindungsgemäßen Befestigungsvorrichtung in perspektivischer Darstellung, wobei die Gleitbacken miteinander verschraubt sind,
  • Fig. 2 die Befestigungsvorrichtung von Fig. 1 mit abgenommener Gleitbacke,
  • Fig. 3 ein Isolator-Teil zur Verlängerung des Isolators der Befestigungsvorrichtung von Fig. 1 und
  • Fig. 4 ein weiteres Ausführungsbeispiel der Befestigungsvorrichtung zusammen mit einer Stromschiene in perspektivischer Darstellung.
Show it:
  • Fig. 1 An embodiment of the fastening device according to the invention in a perspective view, wherein the sliding blocks are screwed together,
  • Fig. 2 the fastening device of Fig. 1 with removed sliding jaw,
  • Fig. 3 an insulator part for extending the insulator of the fastening device of Fig. 1 and
  • Fig. 4 a further embodiment of the fastening device together with a busbar in perspective view.

Nachfolgend wird die erfindungsgemäße Befestigungsvorrichtung 1 in der Einbaulage beschrieben, in der die Befestigungsvorrichtung hängend an einem nicht dargestellten Stützpunkt befestigt ist. Die Befestigungsvorrichtung 1 kann beispielsweise an einem Ausleger befestigt sein, der wiederum an der Decke eines Tunnels befestigt ist. Derartige Befestigungssysteme eines Deckenstromschienen-Fahrleitungssystems sind bekannt.Hereinafter, the fastening device 1 according to the invention will be described in the installed position, in which the fastening device is attached hanging on a support point, not shown. The fastening device 1 may for example be attached to a boom, which in turn is attached to the ceiling of a tunnel. Such fastening systems of a ceiling busbar catenary system are known.

Fig. 1 zeigt ein Ausführungsbeispiel der erfindungsgemäßen Befestigungsvorrichtung 1, die sich von dem Ausführungsbeispiel der in Fig. 4 gezeigten Befestigungsvorrichtung 1 nur durch die Länge des Isolators unterscheidet. Einander entsprechende Teile sind daher mit den gleichen Bezugszeichen versehen. Fig. 4 zeigt die Befestigungsvorrichtung 1 zusammen mit der Stromschiene 2. Fig. 1 shows an embodiment of the fastening device 1 according to the invention, which differs from the embodiment of the in Fig. 4 shown fastening device 1 only differs by the length of the insulator. Corresponding parts are therefore provided with the same reference numerals. Fig. 4 shows the fastening device 1 together with the busbar. 2

Die Stromschiene 2 (Fig. 4) besteht aus mehreren Teilstücken 2X, die mit nicht dargestellten Verbindungselementen an den Stirnseiten miteinander verbunden werden. Die Stromschiene 2 weist ein in Einbaulage oberes Befestigungsstück 3 mit seitlich vorspringenden Ansätzen 3A, 3B auf, das in einer Halterung 18 der Befestigungsvorrichtung 1 gleitend fixiert wird. An das Befestigungsstück 3 schließen sich zu beiden Seiten nach unten erstreckende Schenkel 4A, 4B an, die an den unteren Enden in sich nach innen erstreckende Klemmarme 5A, 5B übergehen, mit denen der nicht dargestellte Fahrdraht des Fahrleitungssystems klemmend gehalten wird.The busbar 2 ( Fig. 4 ) consists of several sections 2X, which are connected to each other with connecting elements, not shown, at the end faces. The busbar 2 has a mounting position in the upper mounting piece 3 with laterally projecting lugs 3A, 3B, which is fixed in a holder 18 of the fastening device 1 slidably. To the attachment piece 3 are joined on both sides downwardly extending legs 4A, 4B, which merge at the lower ends inwardly extending clamping arms 5A, 5B, with which the not shown contact wire of the catenary system is clamped.

Die Befestigungsvorrichtung 1 ist ein Kunststoffteil, das bei dem vorliegenden Ausführungsbeispiel aus glasfaserverstärktem Kunststoff (GFK) besteht. Das Kunststoffteil weist ein in der Einbaulage oberes Teilstück 6 und ein unteres Teilstück 7 auf, die einstückig miteinander verbunden sind. Das obere Teilstück 6 ist als ein Isolator 15 ausgebildet, während das untere Teilstück 7 die Halterung 18 zur gleitenden Fixierung der Stromschiene 2 bildet.The fastening device 1 is a plastic part, which consists in the present embodiment of glass fiber reinforced plastic (GRP). The plastic part has an upper portion 6 in the installed position and a lower portion 7, which are integrally connected to each other. The upper portion 6 is formed as an insulator 15, while the lower portion 7 forms the holder 18 for sliding fixation of the bus bar 2.

Das untere Teilstück 7 des Kunststoffteils weist einen zentralen Basiskörper 8 mit einem oberen runden Abschnitt 9 auf, der in einen unteren plattenförmigen Abschnitt 10 übergeht, an den seitlich eine Gleitbacke 11 angeformt ist. Die Gleitbacke 11 weist einen oberen Schenkel 11A und einen unteren Schenkel 11B auf, die über einen seitlichen Schenkel 11C miteinander verbunden sind. Der Abstand des oberen und unteren Schenkels 11A, 11B ist derart bemessen, dass der seitliche Ansatz 3A, 3B des Befestigungsstücks 3 der Stromschiene 2 passend in die Gleitbacke 11 eingesetzt werden kann. Dabei ist die metallische Stromschiene gleitend in der Gleitbacke aus Kunststoff geführt.The lower portion 7 of the plastic part has a central base body 8 with an upper round portion 9, which merges into a lower plate-shaped portion 10, on the side of a sliding block 11 is formed. The sliding block 11 has an upper leg 11A and a lower leg 11B, which are connected to each other via a lateral leg 11C. The distance between the upper and lower legs 11A, 11B is dimensioned such that the lateral projection 3A, 3B of the attachment piece 3 of the busbar 2 can be fit into the sliding block 11. The metallic busbar is slidably guided in the sliding block made of plastic.

Während die eine Gleitbacke 11 mit dem Basiskörper 8 einstückig ist, kann die andere Gleitbacke 12 zur gleitenden Fixierung der Stromschiene 2 auf den Basiskörper 8 aufgesetzt und an dem Basiskörper befestigt werden. Fig. 2 zeigt die Befestigungsvorrichtung 1 mit abgenommener Gleitbacke 12. Die aufsetzbare Gleitbacke 12 weist wie die mit dem Basiskörper 8 einstückige Gleitbacke 11 einen oberen, mittleren und unteren Schenkel 12A, 12B, 12C auf, die den seitlichen Ansatz 3A, 3B der Stromschiene umgreifen.While the one sliding block 11 is integral with the base body 8, the other sliding block 12 can be placed for sliding fixation of the bus bar 2 on the base body 8 and fixed to the base body. Fig. 2 The attachable sliding block 12, like the integral with the base body 8 sliding block 11 has an upper, middle and lower legs 12A, 12B, 12C, which engage around the lateral extension 3A, 3B of the busbar.

Der obere Schenkel 12A der aufsetzbaren Gleitbacke 12 weist zwei seitliche obere Profilstücke 13A, 13B und ein mittleres unteres Profilstück 13C auf, das im Abstand zu den oberen Profilstücken 13A, 13B angeordnet ist (Fig. 2). Beim Aufsetzen der Gleitbacke 12 auf den Basiskörper 8 übergreifen die oberen Profilstücke 13A, 13B der Gleitbacke 12 seitlich ein Profilstück 8A des Basiskörpers 8, während das untere Profilstück 13C der Gleitbacke 12 das Profilstück 8A des Basiskörpers 8 in der Mitte untergreift. Dadurch ist sichergestellt, dass die Gleitbacke 12 fest auf dem Basiskörper 8 sitzt. Die erforderliche Klemmkraft wird mit einer Schraube 14 ausgeübt, mit der Gleitbacke 12 und Basiskörper 8 fest gegeneinander verschraubt werden. Dabei ist zwischen den Gleitbacken 11, 12 und den Stirnflächen der seitlichen Ansätze 3A, 3B des Befestigungsstücks 3 der Stromschiene 2 noch ein gewisses Spiel, so dass die Stromschiene nicht klemmend, sondern gleitend gelagert ist.The upper leg 12A of the attachable sliding block 12 has two lateral upper profile pieces 13A, 13B and a middle lower profile piece 13C, which in the Distance to the upper profile pieces 13A, 13B is arranged ( Fig. 2 ). When placing the sliding block 12 on the base body 8, the upper profile pieces 13A, 13B of the sliding block 12 laterally engage a profile piece 8A of the base body 8, while the lower profile piece 13C of the sliding block 12 engages under the profile piece 8A of the base body 8 in the middle. This ensures that the sliding block 12 is firmly seated on the base body 8. The required clamping force is exerted by a screw 14, with the sliding block 12 and base body 8 are firmly screwed against each other. In this case, between the sliding blocks 11, 12 and the end faces of the lateral lugs 3A, 3B of the attachment piece 3 of the busbar 2 is still a degree of play, so that the busbar is not clamped, but slidably mounted.

Die in Fig. 1 gezeigte Befestigungsvorrichtung ist insbesondere für den Nahverkehr bestimmt. Das obere Teilstück 6 des Kunststoffteils, das den Isolator 15 bildet, weist einen Isolator-Kern 16 und einen Isolator-Schirm 17 auf. Der Isolator-Kern 16 des einteiligen Isolators weist einen oberen Abschnitt 16A auf, der mit einem Außengewinde 16B versehen ist. Der obere Abschnitt 16A mit dem Außengewinde 16B dient als Befestigungsmittel zur Montage der Befestigungsvorrichtung 1 an einem nicht dargestellten Stützpunkt. Beispielsweise kann der obere Abschnitt 16A mit einem nicht dargestellten Befestigungsteil verschraubt werden, das eine Ausnehmung mit einem Innengewinde aufweist.In the Fig. 1 shown fastening device is intended especially for local traffic. The upper portion 6 of the plastic part forming the insulator 15 has an insulator core 16 and an insulator screen 17. The insulator core 16 of the one-piece insulator has an upper portion 16A provided with an external thread 16B. The upper portion 16A with the external thread 16B serves as a fastening means for mounting the fastening device 1 at a support, not shown. For example, the upper portion 16A may be bolted to a fixing member, not shown, having a recess with an internal thread.

Für den Fernverkehr werden höhere Anforderungen an die elektrischen Eigenschaften des Isolators gestellt. Zur Verbesserung der elektrischen Eigenschaften des Isolators kann die Länge des Isolators verlängert werden.For long-distance traffic, higher demands are placed on the electrical properties of the insulator. To improve the electrical properties of the insulator, the length of the insulator can be extended.

Fig. 3 zeigt ein Isolator-Teil 15 zur Verlängerung des Isolators der Befestigungsvorrichtung von Fig. 1. Der Isolator-Teil 15 weist einen Isolator-Kern 16 mit einem oberen Abschnitt 16A und einem unteren Abschnitt 16C und einen Schirm 17 auf. Der untere Abschnitt 16C des Isolator-Kerns 16 weist eine Ausnehmung 16D mit einem Innengewinde 16E auf, während der obere Abschnitt 16A ein Außengewinde 16B aufweist. Der Außendurchmesser des oberen Abschnitts 16A entspricht dem Innendurchmesser der Ausnehmung 16D des unteren Abschnitts, wobei der Außendurchmesser des oberen Abschnitts des Isolator-Kerns des Isolator-Teils von Fig. 3 dem Außendurchmesser des oberen Abschnitts des Isolator-Kerns des Isolators der Befestigungsvorrichtung von Fig. 1 entspricht. Zur Verlängerung des Isolators wird der untere Abschnitt des einen Isolator-Teils auf den oberen Abschnitt des anderen Isolator-Teils geschraubt, wobei mehrere Isolator-Teile miteinander verschraubt werden können. Fig. 3 shows an insulator part 15 for extending the insulator of the fastening device of Fig. 1 , The insulator part 15 has an insulator core 16 with an upper portion 16A and a lower portion 16C and a screen 17. The lower portion 16C of the insulator core 16 has a recess 16D with an internal thread 16E, while the upper portion 16A has an external thread 16B. The outer diameter of the upper Section 16A corresponds to the inner diameter of the recess 16D of the lower portion, wherein the outer diameter of the upper portion of the insulator core of the insulator part of Fig. 3 the outer diameter of the upper portion of the insulator core of the insulator of the fastening device of Fig. 1 equivalent. To extend the insulator, the lower portion of one insulator portion is threaded onto the upper portion of the other insulator portion, with multiple insulator portions being bolted together.

Fig. 4 zeigt ein Ausführungsbeispiel, bei dem auf den zweiten Isolator-Teil 15 ein dritter Isolator-Teil 15 aufgeschraubt ist. Bei diesem Ausführungsbeispiel bildet der obere Abschnitt des dritten Isolator-Teils das Befestigungsmittel zur Montage der Befestigungsvorrichtung an dem nicht dargestellten Stützpunkt. Die Schirme 17 der einzelnen Isolator-Teile 15 können unterschiedliche Durchmesser haben. Fig. 4 shows an embodiment in which on the second insulator part 15, a third insulator part 15 is screwed. In this embodiment, the upper portion of the third insulator part forms the fastening means for mounting the fastening device to the support, not shown. The screens 17 of the individual insulator parts 15 may have different diameters.

Claims (13)

  1. Fastening device for a conductor rail which has a fastening piece, the fastening device having a holder (18) which encloses the fastening piece of the conductor rail, and the fastening device (1) being in the form of a plastics component, the plastics component having sliding jaws (11, 12) which enclose the fastening piece of the conductor rail laterally and can be fixed in a position in which they enclose the fastening piece from both sides,
    characterised in that
    the plastics component has, in the installed position, an upper part (6) and a lower part (7), the upper part (6) being in the form of an insulator (15) which has one or more shields (17) or ribs, and the lower part (7) having the sliding jaws (11, 12).
  2. Fastening device according to claim 1, characterised in that the plastics component is a plastics component made of glass fibre reinforced plastics material (GFRP).
  3. Fastening device according to either claim 1 or claim 2, characterised in that the sliding jaws (11, 12) each have, in the installed position, an upper and lower leg (11A, 11B; 12A, 12B) which are interconnected via a lateral leg (12C; 12C).
  4. Fastening device according to any of claims 1 to 3, characterised in that the lower part (7) of the plastics component has a central base body (8), one sliding jaw (11) being integral with the base body (8) and the other sliding jaw (12) being able to be attached to the base body (8).
  5. Fastening device according to claim 4, characterised in that the base body (8) is so profiled on the side facing the attachable sliding jaw (12), and the attachable sliding jaw (12) is so profiled on the side facing the base body (8), that the sliding jaw (12) and the base body (8) interlock.
  6. Fastening device according to claim 5, characterised in that the attachable sliding jaw (12) has profile pieces (12A, 12B, 12C) which engage a profile piece (8A) of the base body (8) from above and beneath.
  7. Fastening device according to either claim 5 or claim 6, characterised in that the attachable sliding jaw (12) and the base body (8) can be screwed together to fix the fastening piece of the conductor rail in a sliding manner.
  8. Fastening device according to any of claims 1 to 7, characterised in that the upper part (6) of the plastics component in the form of the insulator (15) has an insulator core (16) having, in the installed position, an upper portion (16A) which is provided with an external thread (16B).
  9. Fastening device according to any of claims 1 to 7, characterised in that the upper part (16A) of the plastics component in the form of an insulator consists of at least two insulator components (15), one of the at least two insulator components being integral with the lower part (7) of the plastics component.
  10. Fastening device according to claim 9, characterised in that the insulator component (15) that is integral with the lower part (7) of the plastics component has an insulator core (16) having, in the installed position, an upper portion (16A) which is provided with an external thread (16B).
  11. Fastening device according to claim 9 or 10, characterised in that the insulator component (15) that is not integral with the lower part (7) of the plastics component has an insulator core (16) having, in the installed position, a lower portion (16C) which is provided with a recess (16D) which has an internal thread (16E), such that it is possible to screw together the insulator component that is not integral with the lower part (7) of the plastics component and the insulator component that is integral with the lower portion of the insulator component.
  12. Fastening device according to claim 11, characterised in that the insulator core (16) of the insulator component (15) that is not integral with the lower part (7) of the plastics component has an upper portion (16A) having an external thread (16B), the external diameter of which corresponds to the internal diameter of the recess (16D) in the lower portion (16C) of the insulator core (16).
  13. Contact line system having fastening devices (1) according to any of claims 1 to 12, to which conductor rails (2) are fastened.
EP15703561.9A 2014-02-05 2015-02-05 Fixing device for a conductor rail and conductor rail system Active EP3102458B1 (en)

Priority Applications (1)

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PL15703561T PL3102458T3 (en) 2014-02-05 2015-02-05 Fixing device for a conductor rail and conductor rail system

Applications Claiming Priority (2)

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DE102014001456.8A DE102014001456B4 (en) 2014-02-05 2014-02-05 Fastening device for a busbar and catenary system
PCT/EP2015/052428 WO2015118074A1 (en) 2014-02-05 2015-02-05 Fastening device for a conductor rail and contact line system

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EP3102458A1 EP3102458A1 (en) 2016-12-14
EP3102458B1 true EP3102458B1 (en) 2018-06-06

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US (1) US10232738B2 (en)
EP (1) EP3102458B1 (en)
KR (1) KR102296756B1 (en)
CN (1) CN105960349B (en)
BR (1) BR112016017752B1 (en)
DE (1) DE102014001456B4 (en)
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ES (1) ES2686118T3 (en)
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PH (1) PH12016501499A1 (en)
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KR20160116337A (en) 2016-10-07
DE102014001456A1 (en) 2015-08-20
DE102014001456B4 (en) 2017-12-21
PH12016501499B1 (en) 2017-02-06
LT3102458T (en) 2018-07-10
PL3102458T3 (en) 2018-11-30
KR102296756B1 (en) 2021-09-02
BR112016017752A2 (en) 2017-10-03
CN105960349B (en) 2018-11-23
ES2686118T3 (en) 2018-10-16
PH12016501499A1 (en) 2017-02-06
BR112016017752B1 (en) 2022-03-15
US10232738B2 (en) 2019-03-19
US20160339800A1 (en) 2016-11-24
DK3102458T3 (en) 2018-09-17
EP3102458A1 (en) 2016-12-14
RU2682696C1 (en) 2019-03-20
WO2015118074A1 (en) 2015-08-13
PT3102458T (en) 2018-10-19
CN105960349A (en) 2016-09-21
MY180885A (en) 2020-12-11

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